<div class="navbox">
    <ul class="nav">
        <li {if $_GET['do'] == 'index'}class="on"{/if}>
            <a href="{php echo $this->createMobileUrl('index')}"></a>
        </li>
        <li {if $_GET['do'] == 'gongdebang'}class="on"{/if} >
            <a href="{php echo $this->createMobileUrl('gongdebang')}"></a>
        </li>
        <li {if $_GET['do'] == 'gongde'}class="on"{/if}>
            <a href="{php echo $this->createMobileUrl('gongde')}"></a>
        </li>

        <li {if $_GET['do'] == 'my'}class="on"{/if}>
            <a href="{php echo $this->createMobileUrl('my')}"></a>
        </li>
    </ul>

</div>